Trigg was born in Boston, Lincolnshire, and studied furniture design at High Wycombe College of Art.  A teacher as well as an artist he has taught in a range of art-related crafts and Fine Art in several colleges and in H M Prison, Oxford.

He moved to Cornwall in the 1990s at the suggestion of a friend, Christine FEILER, and has remained, working and living in his studio home near the harbour in Penzance. Falmouth Art Gallery hosted a one man show of his work in 1997. He exhibits widely in Britain and Europe, and recently spent a year's residency working in Venice. His acute observation of shape and movement in his work and life, whether in sculpture, collage, construction or drawing, was manifest in his collection of drawings and writings brought together in 2003 to commemorate his mother, All that paraphernalia - Drawings and Writings about Mother.